Improvement in clasp-fasteners for bags



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ALFRED nonna BALoH AND WoLFnED DAVID EMELIUS NELSON, or

' MONTREAL, oANADA.

Letters Patent No. 113,834, dated April 18, 1871.

IMPROVEMENT IN CLASPFFASTEN'ERS FOR BAGS, &c.

The Schedule referred to ln these Letters Patent and making part: of thesame.

To all whom, it may concern Be it known that '.ve, ALFRED HOLME BALCHand WOLFRED DAVID EMELrUs NELSON, both of the city ot' Montreal, in thedistrict of Montreal, in the Province of Quebec, Canada, gentlemen, haveinvented new and useful Improvements on Clasp-li"ast` ener for Bags,Sacks, 85o.; and we do hereby declare that the following is a full,clear, and exact description of the construction and operation of thesame, reference heilig had to the annexed drawingWhcre- Figure Irepresents a plan of the fastener.

Figure Il representsan elevation of the fastener.

This invention relates to a `cheap andinore convenieut method ofsecuring the mouths of bags,

sacks, 85e., after they have been tilled with the material or substancethey are vintended to hold, and for performing the same with greatersecurity and although well adapted for ordinary use, it is moreparticularl y so for Inillers and others whose materials or`manufactures are put up in equal-sized bags, sacks,

Snc.

In the drawing hereunto annexed similar letters of reference indicatelike parts.

a and i) are two semicircular parts of a metal ring, having one end ofeach formed on the corresponding part oi' ahinge, c, of ordinary form,-but provided with projections d and e on the inner side, so iitted thatthey moet together' a little in advance of the other ends ol' c and b.

On the end of one of the parts, as shown inthe- The operation of theinvention is as follows: The bag or sack lhaving been filled to therequired amount, and the mouth gathered together as for or' dinarytying, the clasp is opened' wide and placed around it, and the catch gengaged with the one of those, f, most suited to lit tightly the sack orbag to which it is applied. By the shoulders d and e coming together alittle in advance of the catches engaging, an expansive spring act-iontakes place, obviating any danger of the two being disengaged; or anysuitable spring may be provided for that purpose.

The points k, entering into the' material of the sack, also prevent anytendency to its slipping oi.

The clasp may also be attached to the bag or sack by a string, Snc.,securing it to it when not in use and preventing it from being lost.

This clasp, with or without'the points 7c, maybe applied to inany otheruses, 'holding or binding substances or things together.

Having now described the construction and operation of our invention, towhich We have given the name of LBalch 8a Nelsons clasp-fastener forbags, sacks, 8m, we beg to state that What we claim as our invention,and wish secured by Letters Patent, is the new and usefullfixnprovements on clasp-fastener for bags, sacks, 850., as follows Thecombination of the scnnen'cular parts a and b, hinge c, projections dand c, catches f and g, and points or spikes k, all constructed andoperating substantially in the manner and for the purpose herein shownand described.

Montreal, 17 th day of January, A. D. 1871.

ALFRED HOLME BALCH. WOLFBED DAVID EMELIUS NELSON.

Witnesses:

CHARLIE@` Lesen, CHARLES G. O. SIMPSON.

